/**
 * DuplexDot DIGITAL AGENCY — ANIMATION SYSTEM
 * Purposeful, restrained, high-performance CSS transitions & scroll reveals.
 */

/* ==========================================================================
   1. KEYFRAME DEFINITIONS
   ========================================================================== */
@keyframes marqueeScroll {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ==========================================================================
   2. INTERSECTION OBSERVER REVEAL UTILITIES
   ========================================================================== */
.reveal {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 0.6s var(--ease-out-smooth), transform 0.6s var(--ease-out-smooth);
}

.reveal-fade-up {
  transform: translateY(24px);
}

.reveal-slide-left {
  transform: translateX(-24px);
}

.reveal-slide-right {
  transform: translateX(24px);
}

.reveal-scale {
  transform: scale(0.96);
}

/* Active State (Triggered by IntersectionObserver in js/animations.js) */
.reveal.is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger Delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* ==========================================================================
   3. MICRO-INTERACTIONS
   ========================================================================== */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-out-smooth), box-shadow var(--duration-normal) var(--ease-out-smooth);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-zoom-media {
  overflow: hidden;
}

.hover-zoom-media img {
  transition: transform var(--duration-medium) var(--ease-out-smooth);
}

.hover-zoom-media:hover img {
  transform: scale(1.04);
}

/* Pulse indicator for live badges / status dots */
.pulse-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-full);
  background-color: rgba(26, 107, 255, 0.4);
  animation: pulseRing 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes pulseRing {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

/* ==========================================================================
   4. ACCESSIBILITY OVERRIDE (PREFERS REDUCED MOTION)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  
  .marquee-track {
    animation: none !important;
  }
  
  .hover-lift:hover {
    transform: none !important;
  }
  
  .pulse-dot::after {
    animation: none !important;
  }
}